Umbrella crank housing



FIG. 1 is a perspective view of an umbrella crank housing showing may design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is rear elevational view thereof;

FIG. 4 is a left elevational view thereof;

FIG. 5 is a right elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective view illustrating an umbrella with the umbrella crank housing, the phantom lines being for illustrative purposes only and forming no part of the claimed design. 

The ornamental design for an umbrella crank housing, as shown and described. 